Ionic Bonds and Compounds

.......................compound is a compound composed of cations and anions.

• An ionic

• A molecular

• A covalent

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NGSS.HS-PS1-3

Ionic compounds are electrically neutral.

• True

• False

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NGSS.HS-PS1-7

The electrostatic forces that hold ions together in ionic compounds are called .....................

• ionic bonds

• molecular bonds

• covalent bonds

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NGSS.HS-PS1-3

NGSS.HS-PS2-4

A chemical formula shows the numbers of atoms of each element in the smallest representative unit of a substance.

• True

• False

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NGSS.MS-PS1-1

A formula unit is the highest whole-number ratio of ions in an ionic compound

• True

• False

Use electron dot structures to predict the formula of the ionic compound formed from potassium and iodine.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Use electron dot structures to predict the formula of the ionic compound formed from aluminum and oxygen.

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Most ionic compounds are crystalline solids at room temperature

• True

• False

Ionic compounds generally have low melting points.

• True

• False

Ionic compounds can conduct an electric current when melted or dissolved in water.

• True

• False